def main():
    try:
        a = [1, 2, 6, 3]
        c = [4,5]
        e = "hi"
        #for element in a + c:
        #    print(str(element) +",")
                
        #print('i' in e)
        
        #print(len(e))   
        
        #print(max(a))  
        
        #print(min(a)) 
        
        #a[2] = 1
        
        #print(max(a))  
        
        #del a[3]
        
        #print(max(a))
        
        a[2:1] = [5,5,5];
        
        for element in a:
            print(str(element) +",")
        
    except:
        print("error")
    
    
if __name__ == "__main__":
    main()